Abstract
A superconducting 100 μm planar coil has been tested for low field cw NMR. The nine-turn 5 nH coil is connected via a planar 1:8 step-up transformer to an external parallel capacitor and resonated at 0.8 MHz to give a Q of 350.
The tank circuit voltage is measured with a liquid He temperature GaAs MESFET preamplifier.
Test experiments have been conducted by immersing the Si chip with the planar pick-up coil in liquid and solid 3 He to measure their cw NMR absorptions in the temperature range 0.05 – 0.5 K.
The tank circuit voltage is measured with a liquid He temperature GaAs MESFET preamplifier.
Test experiments have been conducted by immersing the Si chip with the planar pick-up coil in liquid and solid 3 He to measure their cw NMR absorptions in the temperature range 0.05 – 0.5 K.
| Original language | English |
|---|---|
| Pages (from-to) | 255-260 |
| Journal | Journal of Low Temperature Physics |
| Volume | 110 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 1998 |
| MoE publication type | A1 Journal article-refereed |